<template>
	<view class="cart-container" v-if="cart.length !== 0">
		<my-address></my-address>
		<!-- 标题 -->
		<view class="cart-title">
			<!-- 左侧图标 -->
			<uni-icons type="shop" size="18"></uni-icons>
			
			<!-- 文本 -->
			<text class="cart-title-text">购物车</text>
			
		</view>
		<!-- 商品列表 -->
		<uni-swipe-action>
			<block v-for="(item,index) in cart" :key="index">
				<!-- uni-swipe-action-item 可以为其子节点提供滑动操作的效果。需要通过 options 属性来指定操作按钮的配置信息 -->
				
				<uni-swipe-action-item
				:right-options="options"
				@click="swipeActionClickHandler(item)"
				>
					<my-goods
					:goods="item" 
					:showRadio = "true" 
					:showNum="true"
					@radio-change="radioChangeHandler"
					@num-change="numberChangeHandler"
					></my-goods>
				</uni-swipe-action-item>
				  
			</block>
		</uni-swipe-action>
		<!-- 结算组件 -->
		<my-settle></my-settle>
		
	</view>
	<view class="empty-cart" v-else>
		<image src="/static/cart_empty@2x.png" class="empty-img"></image>
		<text class="tip-text">空空如也~</text>
		
	</view>
</template>

<script>
	import myMixin from '@/mixins/tabbar-badge.js'
	import { mapState,mapMutations } from 'vuex'


	export default {
		mixins: [myMixin],
		computed:{
			...mapState('m_cart', ['cart']),	
		},
		data() {
			return {
				options: [{
				      text: '删除', // 显示的文本内容
				      style: {
				        backgroundColor: '#C00000' // 按钮的背景颜色
				      }
				    }]
			};
		},
		methods: {
			...mapMutations('m_cart',[
				'updateGoodsState',
				'updateGoodsCount',
				'removeGoodsById',
				]),
			radioChangeHandler(e) {
				console.log(e)
				this.updateGoodsState(e)
				
			},
			numberChangeHandler(e) {
				console.log(e)
				this.updateGoodsCount(e)
				
			},
			swipeActionClickHandler(goods) {
				console.log(goods)
				this.removeGoodsById(goods.goods_id)
			},
			
			
		}
		
}
</script>

<style lang="scss">
	.cart-container {
		padding-bottom: 50px;
		
	}
	.cart-title {
		height: 40px;
		display: flex;
		align-items: center;
		font-size: 14px;
		padding-left: 15px;
		border-bottom: 1px solid #efefef;
		.cart-title-text {
			margin-left: 10px;
		}
		
	}
	.empty-cart {
		display: flex;
		flex-direction: column;
		align-items: center;
		padding-top:150px;
		
		.empty-img {
			width: 90px;
			height: 90px;	
		}
		
		.tip-text {
			font-size: 12px;
			color: gray;
			margin-top:15px;
		}
		
	}

</style>
